Radiant|Lab Grown|IGI

1.03ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG816623945

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG816623945

Diamond specifications and retailer prices

From $323 USD
As of October 30, 2026
Save $2,357 USD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,680 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.03ct lab-grown radiant diamond

This 1.03ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816623945 or 816623945. Listed at 19 retailers as of October 28, 2026, with prices from $323 to $2,680, a $2,357 spread on the same certified stone. Brilliant Earth lists it at $2,680. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle27.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816623945
Dimensions7.10 × 5.16 × 3.14 mm
L/W Ratio1.38
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.10 mm5.16 mm1.03 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816623945
Side View
Table 63.0%Crown 40.7°Girdle: STK-THKPavilion 27.6°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,680 USD|Low: $311 USD|High: $2,680 USD|Avg: $887 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 10$323 USD
Retailer 4$361 USD
Retailer 11$401 USD
Retailer 6$555 USD
Retailer 12$651 USD
Retailer 8$675 USD
Retailer 5$689 USD
Retailer 2$716 USD
Retailer 9$991 USD
Retailer 3$1,554 USD
Retailer 7$1,609 USD
Brilliant Earth$2,680 USD

44 data points across 12 retailers

19 retailers$323 USD to $2,680 USD

A
Cheapest Retailer
-
$323 USD
A
Retailer 2
-
$361 USD
View
Final sale: no returns
A
Retailer 3
-
$375 USD
View
A
Retailer 4
-
$401 USD
View
A
Retailer 5
-
$401 USD
View
A
Retailer 6
-
$555 USD
View
B+
Retailer 7
-
$611 USD
View
B+
Retailer 8
-
$651 USD
View
B+
Retailer 9
-
$675 USD
€643 EUR
View
B+
Retailer 10
-
$689 USD
ZAR 11,133 ZAR
View
B+
Retailer 11
-
$716 USD
£564 GBP
View
B
Retailer 12
-
$991 USD
View
B+
Retailer 13
-
$1,071 USD
SGD 1,447 SGD
View
B
Retailer 14
-
$1,289 USD
View
B
Retailer 15
-
$1,334 USD
View
B
Retailer 16
-
$1,554 USD
£1,224 GBP
View
B
Retailer 17
-
$1,587 USD
View
B
Retailer 18
-
$1,609 USD
£1,267 GBP
View
Most Expensive
B
Brilliant Earth
21092347A · Oct 28
$2,680 USD
View
18 more retailers have this diamond
Prices start from $323 USDSave up to $2,357 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.03ct Radiant
$323 USD